PRODUCT: TARTRAZINE
IUPAC Name: Trisodium (4E)-5-oxo-1-(4-sulfonatophenyl)-4-[(4-sulfonatophenyl) hydrazono]-3-pyrazolecarboxylate
Synonyms : FD&C Yellow #5, Food Yellow 4, Acid Yellow 23,C.I. 19140 (Colour Index Number),Lemon Yellow,CI Food Yellow 4 & Aizen Tartrazine, Yellow Lake 69
Properties:
Chemical formula : C16H9N4Na3O9S2
Molar mass : 534.3 g/mol
Colour Index No. : 19140
Food Colour No. : Yellow 4F.D. & C. No. : Yellow 5
CAS NO. : 1934-21-0
E.E.C. No. : E-102
Specification :
Total Dye Content Corrected for Sample (Min.) : 85%
Volatile Matter (chloride & sulphate) (Max) : 15%
Solubility In Water (20 c) : 120 gram / liter
Combined Ether Extract. (Max) : 0.20%
Water Insoluble (Max) : 0.20%
Class : Monoazo
Light Stability : 6
Heat Stability (100 c) : 5
Alkali Stability : 4
Subsidiary Dyes (Max) : 1.00%
Dyes Intermediate (Max) : 0.50%
Lead : < 2 ppm
Arsenic : < 1 ppm
Mercury : < 1 ppm
Heavy Metals : < 20 ppm





Price:
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